1. Department of Epidemiology and Statistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
2. Henan Key Laboratory of Tumor Epidemiology, Zhengzhou University, Zhengzhou, Henan, China
3. Department of Clinical Nutrition, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, China
4. Cancer Center of the First Hospital of Jilin University, Changchun, China
5. Department of Gastrointestinal Surgery, Institute of Gastroenterology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
6. Department of Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
7. Department of Gastrointestinal Surgery and Department of Clinical Nutrition, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
8. State Key Laboratory of Esophageal Cancer Prevention & Treatment, Zhengzhou University, Zhengzhou, Henan, China